<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=0">
    <title>Title</title>
    <style>
        a{
            display: block;
            width: 100px;
            height: 100px;
            /*轻击 轻触*/
            -webkit-tap-highlight-color: red;

        }
    </style>
</head>
<body>
<a href="javascript:;"></a>
</body>
</html>